PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/07-06:27:50 G08 265.0 16.7 8.2 +/- 0.97 19.5 +/- 0.97 0.120 / 0.380 G10 69.6 55.4 4.9 +/- 0.37 5.8 +/- 0.37 0.170 / 0.470 G11 308.6 19.6 3.4 +/- 1.07 7.7 +/- 1.07 0.030 / 0.030 G14 276.2 68.7 6.6 +/- 0.81 7.0 +/- 0.81 0.040 / 0.040 G18 309.7 36.3 5.0 +/- 1.25 7.8 +/- 1.25 0.230 / 0.330 G20 99.3 33.9 5.6 +/- 0.65 9.1 +/- 0.65 0.220 / 0.370 G21 155.6 11.6 4.6 +/- 4.95 12.5 +/- 4.95 0.040 / 0.050 G27 229.8 13.8 6.9 +/- 3.34 17.6 +/- 3.34 0.040 / 0.040 G31 176.8 34.9 5.7 +/- 1.36 9.1 +/- 1.36 0.080 / 0.090 G32 341.2 73.1 5.1 +/- 0.43 5.3 +/- 0.43 0.060 / 0.090